Iron Ore Fines
Coastal Exim
Iron Ore Fines
Iron ore fines are small particles of iron ore that are less than 6.3mm in size. They are a byproduct of the mining and processing of iron ore and are widely used in steelmaking. Due to their fine nature, they require sintering or pelletization before being used in blast furnaces.
Composition of Iron Ore Fines
- Iron Content (Fe%)
- Varies between 50% to 67% depending on the quality of the ore.
- Higher Fe content is preferred for steel production.
- Impurities
- Silica (SiO₂) – 1% to 6%
- Alumina (Al₂O₃) – 1% to 4%
- Phosphorus (P) – 0.05% to 0.1% (higher phosphorus is undesirable)
- Sulfur (S) – Less than 0.05%
- Moisture – 8% to 12% (varies depending on storage conditions)
Mining Methods for Iron Ore
Iron ore is extracted using various mining techniques depending on its location and depth.
1. Open-Pit Mining (Most Common)
- Used for large iron ore deposits close to the surface.
- Involves drilling, blasting, and removing overburden to extract ore.
- Haul trucks transport ore to processing plants.
2. Underground Mining
- Used for deep iron ore deposits.
- Involves shafts, tunnels, and underground drilling to extract ore.
- More expensive and less common than open-pit mining.
3. Strip Mining
- Used for shallow iron ore deposits.
- Strips of land are removed in succession to access ore.
4. Magnetic Separation Mining
- Used when iron ore has a high magnetic content.
- Ore is crushed and separated using magnetic belts.
Coastal Exim
industries we serve
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- Power
- Steel / Ferro Alloys
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